73999500742 has 4 divisors (see below), whose sum is σ = 110999251116. Its totient is φ = 36999750370.

The previous prime is 73999500727. The next prime is 73999500779. The reversal of 73999500742 is 24700599937.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×73999500742² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18499875184 + ... + 18499875187.

It is an arithmetic number, because the mean of its divisors is an integer number (27749812779).

Almost surely, 2^73999500742 is an apocalyptic number.

73999500742 is a deficient number, since it is larger than the sum of its proper divisors (36999750374).

73999500742 is a wasteful number, since it uses less digits than its factorization.

73999500742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36999750373.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 73999500742 in words is "seventy-three billion, nine hundred ninety-nine million, five hundred thousand, seven hundred forty-two".